결합하다 Korean verb conjugation

to combine

Every form of 결합하다 across the four speech levels. It is 여 irregular — 하다 and every verb built on it: 하다 → 하여 → 해요.

기본형Principal parts

The four forms the dictionary prints. Every other form on this page is derived from them.

관형사형Modifier
결합하는
아/어Infinitive
결합해
-으니Since
결합하니
합니다Formal
결합합니다

현재Present

The tense that does the most work. 해요체 is the one to learn first — it is polite without being formal, and it is what most conversation is in.

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 결합해요결합합니다결합해결합한다

과거Past

해요체Polite합니다체Formal해체Casual한다체Plain
서술Statement 결합했어요결합했습니다결합했어결합했다

미래·추측Future & presumptive

해요체Polite합니다체Formal해체Casual한다체Plain
-겠-Will / must be 결합하겠어요결합하겠습니다결합하겠어결합하겠다
-을 것이다Going to 결합할 거예요결합할 것입니다결합할 거야결합할 것이다

의문Questions

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 결합해요?결합합니까?결합해?결합하니?
과거Past 결합했어요?결합했습니까?결합했어?결합했니?

명령Commands

해요체Polite합니다체Formal해체Casual한다체Plain
명령Do it 결합하세요결합하십시오결합해결합해라
청유Let's 결합해요결합합시다결합해결합하자

부정Negation

해요체Polite합니다체Formal해체Casual한다체Plain
Not (short) 안 결합해요안 결합합니다안 결합해안 결합한다
-지 않다Not (long) 결합하지 않아요결합하지 않습니다결합하지 않아결합하지 않는다
Cannot 못 결합해요못 결합합니다못 결합해못 결합한다

높임Honorific

해요체Polite합니다체Formal해체Casual한다체Plain
현재Present 결합하세요결합하십니다결합하셔결합하신다
과거Past 결합하셨어요결합하셨습니다결합하셨어결합하셨다

관형사형Modifying a noun

현재Present
결합하는
과거Past
결합한
미래Future
결합할
회상Used to
결합하던

연결Joining clauses

-고and
결합하고
-게-ly / so that
결합하게
-어서so / and then
결합해서
-으니까since
결합하니까
-으면if / when
결합하면
-지만but
결합하지만
-는데and / but (setting up)
결합하는데
-어도even if
결합해도

진행In progress

해요체Polite합니다체Formal해체Casual한다체Plain
현재Is doing 결합하고 있어요결합하고 있습니다결합하고 있어결합하고 있다
과거Was doing 결합하고 있었어요결합하고 있었습니다결합하고 있었어결합하고 있었다

문형Sentence patterns

How the dictionary says this verb is used. The numbers are slots: 1 is the subject, 2 the object.

예문In real sentences

From the dictionary, each with its translation.

흙과 피가 결합하여 국가가 탄생한다고요.

It's made of the combination of soil and blood, creates the nation.

아이폰은 하드웨어와 소프트웨어를 결합하고 있습니다.

Your iPhone merges hardware with software.

이걸 사용하는 건 어떨까요? 여기 3번과 결합해보세요.

How about we use that? Combine that with number three.

어떻게 이것들을 결합할까요?

How do we combine all this?

자주 묻는 질문Common questions

How do you conjugate 결합하다 in Korean?

결합하다 (to combine) is 결합해요 in the polite 해요체, 결합합니다 in formal 합니다체, 결합해 in casual 반말 and 결합한다 in the plain written style. The past is 결합했어요.

What is the past tense of 결합하다?

결합했어요 in everyday polite speech, 결합했습니다 formally. It is built from the 아/어 form 결합하여 plus ㅆ, which is why an irregular stem shows its irregularity here.

Is 결합하다 irregular?

Yes — it is 여 irregular (여 불규칙). 하다 and every verb built on it: 하다 → 하여 → 해요. That is why the stem looks different in 결합하여 and 결합하니 but unchanged in 결합합니다.

What TOPIK level is 결합하다?

4급 — TOPIK 4, upper intermediate.

Dictionary form, meaning, sentence patterns, examples and audio from the 국립국어원 한국어기초사전, used under CC BY-SA 2.0 KR.

Conjugations are generated by this site's own engine and checked against the 9,380 forms the dictionary publishes on every build.